The following table provides summary statistics for contract job vacancies advertised in Essex with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 30 March 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 3 30 23
Rank change year-on-year +27 -7  
Contract jobs citing TDD 107 21 37
As % of all contract IT jobs advertised in Essex 26.29% 4.67% 8.04%
As % of the Processes & Methodologies category 29.97% 5.59% 10.25%
Number of daily rates quoted 85 17 20
Median daily rate £400 £400 £400
90% offered a daily rate of more than £269 £312 £280
10% offered a daily rate of more than £550 £450 £428
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.66%  
Number of hourly rates quoted 7 0 4
Median hourly rate £37.00 - £36.00
UK excluding London median hourly rate £39.00 £45.75 £39.25
% change year-on-year -14.75% +16.56%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Essex with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Essex
Contract job vacancies with a requirement for process and methodology skills 357 376 361
As % of all contract IT job vacancies advertised in Essex 87.71% 83.56% 78.48%
Number of daily rates quoted 256 203 193
Median daily rate £420 £400 £400
Median daily rate % change year-on-year +5.00% -  
90% offered a daily rate of more than £265 £250 £225
10% offered a daily rate of more than £550 £520 £525
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 23 44 39
Median hourly rate £37.00 £16.50 £36.00
Median hourly rate % change year-on-year +124.24% -54.16%  
90% offered a hourly rate of more than £31.00 £16.50 £16.50
10% offered a hourly rate of more than £47.00 £56.50 £43.75
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

TDD
Job Vacancy Trend in Essex

The job posting trend of jobs advertised in Essex citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Essex

TDD
Contractor Daily Rate Trend in Essex

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Essex.

Contractor daily rate trend for TDD in Essex

TDD
Contractor Daily Rate Histogram in Essex

The daily rate distribution of IT jobs citing TDD in Essex over the 3 months to 30 March 2017.

Contractor daily rate histogram for TDD in Essex

TDD
Contractor Hourly Rate Trend in Essex

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Essex.

Contractor hourly rate trend for TDD in Essex

TDD
Contractor Hourly Rate Histogram in Essex

The hourly rate distribution of IT jobs citing TDD in Essex over the 3 months to 30 March 2017.

Contractor hourly rate histogram for TDD in Essex

TDD
Contract Job Locations in Essex

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Essex region over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Southend-on-Sea - 35 £495 -
Brentwood - 10 £265 - 5
Basildon - 3 - -
Colchester - 1 - - 1
TDD
East of England

For the 6 months to 30 March 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Essex region with a requirement for TDD.

1 122 (73.05%) Agile Software Development
2 96 (57.49%) Continuous Integration
3 80 (47.90%) Java
4 74 (44.31%) Scrum
5 68 (40.72%) DevOps
6 61 (36.53%) SOA
7 57 (34.13%) Jenkins
8 48 (28.74%) XML
9 45 (26.95%) HTML
10 44 (26.35%) JavaScript
10 44 (26.35%) Pair Programming
11 43 (25.75%) MVC
12 42 (25.15%) Kanban
13 41 (24.55%) Software Engineering
14 40 (23.95%) Oracle
15 38 (22.75%) Mobile App
16 37 (22.16%) Mentoring
16 37 (22.16%) RESTful
17 36 (21.56%) Android
17 36 (21.56%) JSON
18 35 (20.96%) Linux
19 33 (19.76%) JUnit
19 33 (19.76%) User Stories
20 32 (19.16%) Coaching
20 32 (19.16%) Manufacturing
20 32 (19.16%) Git (software)
20 32 (19.16%) Apple iOS
21 31 (18.56%) J2EE
21 31 (18.56%) Android Development
22 30 (17.96%) Analytical Skills

TDD
Co-occurring IT Skills in Essex by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 23 (13.77%) Confluence
1 23 (13.77%) Oracle SOA Suite
2 21 (12.57%) Adobe Experience Manager
2 21 (12.57%) JBoss
3 16 (9.58%) Apache
4 13 (7.78%) WebSphere
5 12 (7.19%) WebLogic
6 6 (3.59%) Mule
6 6 (3.59%) Oracle Service Bus
7 4 (2.40%) CMS
8 3 (1.80%) WebSphere Application Server
9 2 (1.20%) BizTalk Server
9 2 (1.20%) SharePoint
9 2 (1.20%) Skype for Business
10 1 (0.60%) IIS
10 1 (0.60%) Jetty
10 1 (0.60%) Mongrel
10 1 (0.60%) nginx
10 1 (0.60%) Oracle HTTP Server
10 1 (0.60%) Tomcat
Applications
1 6 (3.59%) MS Excel
2 3 (1.80%) MS Office
2 3 (1.80%) MS PowerPoint
2 3 (1.80%) MS Visio
Business Applications
1 21 (12.57%) SAP Oil and Gas
2 2 (1.20%) Dynamics CRM
Cloud Services
1 24 (14.37%) GitHub
2 9 (5.39%) Microsoft Azure
3 4 (2.40%) Google Analytics
4 2 (1.20%) Office 365
4 2 (1.20%) Yammer
5 1 (0.60%) Amazon AWS
5 1 (0.60%) Amazon EC2
5 1 (0.60%) Google App Engine
5 1 (0.60%) Google Cloud Platform
Communications & Networking
1 16 (9.58%) HTTP
1 16 (9.58%) SSL
1 16 (9.58%) TCP/IP
2 5 (2.99%) LDAP
3 4 (2.40%) Intranet
4 1 (0.60%) DHCP
4 1 (0.60%) DNS
4 1 (0.60%) FTP
4 1 (0.60%) IPsec
Database & Business Intelligence
1 27 (16.17%) Relational Database
2 10 (5.99%) SQL Server
3 6 (3.59%) MariaDB
3 6 (3.59%) MySQL
4 3 (1.80%) NoSQL
5 1 (0.60%) MongoDB
5 1 (0.60%) Oracle Database
Development Applications
1 57 (34.13%) Jenkins
2 33 (19.76%) JUnit
3 32 (19.16%) Git (software)
4 26 (15.57%) JIRA
5 19 (11.38%) Gradle
6 18 (10.78%) SoapUI
7 17 (10.18%) JIRA Agile
8 16 (9.58%) Calabash
8 16 (9.58%) Subversion
9 15 (8.98%) Maven
10 11 (6.59%) Selenium
11 10 (5.99%) Ant
11 10 (5.99%) Xcode
12 8 (4.79%) Team Foundation Server
13 6 (3.59%) JMeter
13 6 (3.59%) LoadRunner
14 5 (2.99%) Android Studio
14 5 (2.99%) Mockito
15 3 (1.80%) AccuRev
15 3 (1.80%) XDoclet
General
1 32 (19.16%) Manufacturing
2 27 (16.17%) Finance
3 26 (15.57%) Marketing
4 21 (12.57%) Electronics
4 21 (12.57%) Telecoms
5 18 (10.78%) Automotive
6 5 (2.99%) Legal
7 2 (1.20%) Retail
8 1 (0.60%) Games
Job Titles
1 92 (55.09%) Developer
2 38 (22.75%) Java Developer
3 20 (11.98%) Android Developer
4 19 (11.38%) iOS Developer
5 18 (10.78%) Scrum Master
6 14 (8.38%) Senior Developer
6 14 (8.38%) Senior Java Developer
7 11 (6.59%) DevOps Engineer
7 11 (6.59%) Java Software Developer
8 10 (5.99%) Full Stack Developer
8 10 (5.99%) Senior Java Software Developer
8 10 (5.99%) Senior Software Developer
9 9 (5.39%) .NET Developer
9 9 (5.39%) Agile Developer
9 9 (5.39%) ASP.NET Developer
10 8 (4.79%) Agile Coach
11 7 (4.19%) Agile Scrum Master
12 6 (3.59%) SOA Architect
12 6 (3.59%) Test Automation Specialist
12 6 (3.59%) Test Specialist
Libraries, Frameworks & Software Standards
1 48 (28.74%) XML
2 45 (26.95%) HTML
3 37 (22.16%) RESTful
4 36 (21.56%) JSON
5 31 (18.56%) J2EE
6 30 (17.96%) Web Services
7 27 (16.17%) Middleware
8 24 (14.37%) Core Animation
8 24 (14.37%) Core Data
9 19 (11.38%) CSS
10 16 (9.58%) SOAP
11 15 (8.98%) Android SDK
12 13 (7.78%) Ajax
12 13 (7.78%) AngularJS
12 13 (7.78%) Cocoa
12 13 (7.78%) iOS SDK
12 13 (7.78%) XHTML
13 11 (6.59%) .NET
13 11 (6.59%) HTML5
14 10 (5.99%) ASP.NET
Miscellaneous
1 38 (22.75%) Mobile App
2 30 (17.96%) Analytical Skills
3 24 (14.37%) Animation
4 19 (11.38%) Enterprise Software
4 19 (11.38%) Virtual Team
5 13 (7.78%) Computer Science
6 10 (5.99%) iPhone
7 6 (3.59%) Client/Server
8 4 (2.40%) Web 2.0
9 2 (1.20%) Clustering
9 2 (1.20%) Driving Licence
9 2 (1.20%) PMI
9 2 (1.20%) Replication
9 2 (1.20%) RIA
10 1 (0.60%) User Experience
Operating Systems
1 36 (21.56%) Android
2 35 (20.96%) Linux
3 32 (19.16%) Apple iOS
4 16 (9.58%) Unix
5 11 (6.59%) Red Hat Enterprise Linux
6 6 (3.59%) Mac OS X
6 6 (3.59%) Windows
7 4 (2.40%) Solaris
8 1 (0.60%) Mac OS
Processes & Methodologies
1 122 (73.05%) Agile Software Development
2 96 (57.49%) Continuous Integration
3 74 (44.31%) Scrum
4 68 (40.72%) DevOps
5 61 (36.53%) SOA
6 44 (26.35%) Pair Programming
7 43 (25.75%) MVC
8 42 (25.15%) Kanban
9 41 (24.55%) Software Engineering
10 37 (22.16%) Mentoring
11 33 (19.76%) User Stories
12 32 (19.16%) Coaching
13 31 (18.56%) Android Development
14 30 (17.96%) BDD
15 29 (17.37%) iOS Development
16 27 (16.17%) Automated Testing
16 27 (16.17%) Open Source
17 24 (14.37%) Digital Marketing
17 24 (14.37%) OOA/OOD
17 24 (14.37%) OOD
Programming Languages
1 80 (47.90%) Java
2 44 (26.35%) JavaScript
3 15 (8.98%) Apple Swift
3 15 (8.98%) C
3 15 (8.98%) Objective-C
3 15 (8.98%) SQL
4 11 (6.59%) Perl
5 10 (5.99%) C#
5 10 (5.99%) C++
6 9 (5.39%) XPath
7 6 (3.59%) Ruby
8 5 (2.99%) Groovy
8 5 (2.99%) PL/SQL
8 5 (2.99%) Python
9 1 (0.60%) ES6
9 1 (0.60%) TypeScript
Qualifications
1 13 (7.78%) Degree
2 6 (3.59%) ISEB
2 6 (3.59%) ISTQB
2 6 (3.59%) Security Cleared
3 4 (2.40%) BPSS Clearance
4 2 (1.20%) PMI Certification
4 2 (1.20%) PMP
5 1 (0.60%) SC Cleared
Quality Assurance & Compliance
1 6 (3.59%) QA
2 4 (2.40%) Data Quality
3 3 (1.80%) Disclosure Scotland
4 1 (0.60%) SLA
System Software
1 16 (9.58%) Docker
2 7 (4.19%) VMware Infrastructure
3 2 (1.20%) Active Directory
4 1 (0.60%) Xen
Systems Management
1 12 (7.19%) Opscode Chef
1 12 (7.19%) Puppet
2 6 (3.59%) Ansible
Vendors
1 40 (23.95%) Oracle
2 23 (13.77%) SAP
3 22 (13.17%) WSO2
4 20 (11.98%) Adobe
5 11 (6.59%) IBM
6 7 (4.19%) VMware
7 5 (2.99%) Google
8 4 (2.40%) Omniture
9 3 (1.80%) CA Agile Central
9 3 (1.80%) Microsoft
10 2 (1.20%) FatWire
10 2 (1.20%) Infor
10 2 (1.20%) Mapbox
10 2 (1.20%) Salesforce.com
11 1 (0.60%) Red Hat
Essex
Square One Resources
Rate: Up to £450 per day until 31st December 2017 (likelihood of extension)
Posted: 7 hours ago
Essex
Oscar
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Rate: £450 per day
Posted: 5 hours ago
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People Source Consulting
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